{"nhtsa_id":10045519,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2012-09-10","date":"2012-07-01","document_id":"PI-0759","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT:ELECTRICAL; ELECTRICAL SYSTEM:WIRING","mfr_system":null,"summary":"GM-EXPRESS/SILVERADO/SAVANA/SIERRA: DUE TO POOR CONNECTIONS AND INTERMITTENT CONDITION OF MAP SENSOR CONNECTOR WIRING HARNESS TERMINAL CRIMPS, TRUCKS HAVE A MALFUNCTION INDICATOR LAMP (MIL) ILLUMINATION AND REDUCED ENGINE POWER DISPLAY MESSAGE. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10045519","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"equipment","name":"Equipment and accessories","parent":null},{"id":"wiring","name":"Wiring and fuses","parent":"electrical"}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"EXPRESS","year_from":2011,"year_to":2012,"match":"exact","vehicle_ids":["2011_chevrolet_express","2012_chevrolet_express"]},{"make":"CHEVROLET","model":"SILVERADO","year_from":2011,"year_to":2012,"match":"exact","vehicle_ids":["2011_chevrolet_silverado","2012_chevrolet_silverado"]},{"make":"GMC","model":"SAVANA","year_from":2011,"year_to":2012,"match":"exact","vehicle_ids":["2011_gmc_savana","2012_gmc_savana"]},{"make":"GMC","model":"SIERRA","year_from":2011,"year_to":2012,"match":"exact","vehicle_ids":["2011_gmc_sierra","2012_gmc_sierra"]}],"as_of":"2026-10-19","note":"A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.","attribution":[]}